Give until it hurts

Simplify, simplify, simplify! Warren Buffett, the third-richest man in the world and a leading philanthropist, is challenging his peers to commit at least half their wealth to charity, suggesting they can get by on $500 million. “If you have trouble living on $500 million,” Buffett said, “I’m going to put out a book, ‘How to Live on $500 Million.’”